[gs-bugs] [Bug 692949] Missing characters opening file

[bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=692949

--- Comment #5 from Chris Liddell <chris.liddell at artifex.com> 2012-03-31 07:49:10 UTC ---
I believe the font is broken - it has scale dependent operations in the font
program (which isn't permitted by the spec) upon which the cvt program depends
- that causes Freetype to throw an error.

In Ghostscript, we already fell back to unhinted rendering if the hinted
rendering failed with certain error codes. I've changed that so we'll use that
unhinted fallback for *any* error which stems from the bytecode interpreter.

As the font here is a) broken, and b) long superseded by a non-broken one, I
felt it was better to resolve the problem in Ghostscript, rather than convince
the Freetype maintainers to take a patch for it.

If Tor feels the same way (that we should handle it in MuPDF rather than FT),
I'd be happy to put together a patch to implement it in MuPDF.

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